File:Lee A. DuBridge 1950.png

Summary

DescriptionLee A. DuBridge 1950.png	English: California Institute of Technology President Lee Alvin DuBridge
Date	1950
Source	The Big T (yearbook of the California Institute of Technology)
Author	Unknown authorUnknown author

This image has been extracted from another file

: The Big T 1950.pdf

Licensing

This work is in the public domain because it was published in the United States between 1930 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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